Postmark
Postmark · Email
Transactional email: send messages, templates and delivery stats
The client pastes their server API token from Postmark's settings. We store it encrypted.
Tested against Postmark's live API.
Tools
Every tool your agent gets for Postmark. Select one to see its inputs and an example call.
- Loading every tool…
Building with Postmark? The docs have setup steps and code for every tool.
Open the Postmark docsAny other endpoint
The request tool calls any Postmark endpoint the tools above don't cover, with the client's access attached.
Base URL for request
https://api.postmarkapp.com
request
HTTPS ANY /v1/clients/{clientId}/postmark/{path}
Any endpoint of Postmark's own API, with the client's access attached.
- servicestringrequired
- This service: postmark
- methodstringrequired
- GET, POST, PUT, PATCH or DELETE
- pathstringrequired
- The path under https://api.postmarkapp.com
- queryobjectoptional
- Query parameters
- bodyobjectoptional
- A JSON body
Over MCP every tool also takes client_id, from list_clients. Over HTTPS send it as clientId to https://api.operate.as/v1.
What the client approves
- Use the Postmark key you paste, with only the access you gave that key
Get started
Send your next client one link
Add a client, select the services, copy the link. You'll get an email the moment their access is ready. Start free, no card required. Paid plans are one flat monthly price, and a busy month never takes your agents offline.